Page 88 - 15 Dangerously Mad Projects for the Evil Genius

CHAPTER 6

Touch-Activated

Laser Sight

PROJECT SIZE: Small

SKILL LEVEL: ★★★✩

THIS PROJECT ADDS A LASER SIGHT to a BB gun. The
laser activates when you touch the trigger prior to
firing. This allows the Evil Genius to be far more
accurate when carrying out assassinations and
other gun-related crimes. Even if it is not
connected to the gun, the presence of a bright red
dot on the chest of a minion tends to cause an
amusing degree of panic.
This project involves a little electronics to make
the touch sensor for activating the laser, but this
Figure 6-1 BB-gun laser sight
only requires a few components to be connected
together. So, if you are looking for a simple project
that just requires a bit of soldering to stripboard in
What You Will Need
order to test your soldering skills, this is an ideal
first project for you. To build this project, you will need the

Figure 6-1 shows the completed project attached components shown in the Parts Bin on the next
to a particularly nasty-looking BB gun. page.
You can buy laser modules from standard
WARNING! component suppliers like Farnell and RS, but they
tend to be very expensive. So look online, where
Please take heed of the following safety warning. they should cost no more than two or three dollars.
■ BB guns can be dangerous. Fire them at targets,
not at people.

■ Never shine a laser into your eyes or anyone else’s.
■ Resist the temptation to check if the laser is on
by peering into it. Always shine it onto a piece of
paper or some other light surface.

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